Clinical Chemistry and Hematology: QA and Controls
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Clinical Chemistry and Hematology: QA and Controls

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Questions and Answers

What is the primary focus of hematology?

  • The study of coagulation tests and thromboplastin
  • The study of blood cells and their inclusions
  • The study of medical devices
  • The study of blood and blood-forming tissues (correct)

    • What is the purpose of ISO 15223 in medical devices?

  • Providing a list of symbols for medical devices (correct)
  • Providing a list of hematology controls
  • Providing a list of symbols for hematology analyzers
  • Providing a list of whole blood analyzers

    • What is the level of the QC material for whole blood in hematology?

  • There is no specific level for whole blood
  • Level 1: Red (correct)
  • Level 3: Black
  • Level 2: Green/White

    • What is necessary before using hematology controls?

    <p>Invert gently the controls</p> Signup and view all the answers

    What is the name of the automated CBC analyzer mentioned in the text?

    <p>Sysmex XN-550</p> Signup and view all the answers

    What is the term for the separation of solid and liquid portions of blood?

    <p>Centrifugation</p> Signup and view all the answers

    What is a characteristic of an ideal QC material in hematology?

    <p>It is stable for long periods</p> Signup and view all the answers

    What does the color red indicate in QC material for hematology?

    <p>High results</p> Signup and view all the answers

    How should QC materials be stored?

    <p>At 2-8°C with the cap closed</p> Signup and view all the answers

    What should be checked before using a QC material?

    <p>The expiration date</p> Signup and view all the answers

    How should a vial of QC material be mixed before analysis?

    <p>By inverting the vial 20 times with a quick turning motion</p> Signup and view all the answers

    What is the purpose of the piercable septum in the vial cap?

    <p>To enable sampler analysis</p> Signup and view all the answers

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